1 /* 2 * Copyright (c) 1981, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #ifndef lint 9 static char sccsid[] = "@(#)mvwin.c 8.2 (Berkeley) 05/04/94"; 10 #endif /* not lint */ 11 12 #include "curses.h" 13 14 /* 15 * mvwin -- 16 * Relocate the starting position of a window. 17 */ 18 int 19 mvwin(win, by, bx) 20 register WINDOW *win; 21 register int by, bx; 22 { 23 register WINDOW *orig; 24 register int dy, dx; 25 26 if (by + win->maxy > LINES || bx + win->maxx > COLS) 27 return (ERR); 28 dy = by - win->begy; 29 dx = bx - win->begx; 30 orig = win->orig; 31 if (orig == NULL) { 32 orig = win; 33 do { 34 win->begy += dy; 35 win->begx += dx; 36 __swflags(win); 37 win = win->nextp; 38 } while (win != orig); 39 } else { 40 if (by < orig->begy || win->maxy + dy > orig->maxy) 41 return (ERR); 42 if (bx < orig->begx || win->maxx + dx > orig->maxx) 43 return (ERR); 44 win->begy = by; 45 win->begx = bx; 46 __swflags(win); 47 __set_subwin(orig, win); 48 } 49 __touchwin(win); 50 return (OK); 51 } 52